• any errors in Avast log file?
    no

  • any errors in the system and/or event log?
    no

  • What version of Windows?
    xp pro + sp2

  • What version of Avast?
    4.1 home

  • What firewall?
    none - using routers NAT based firewall

  • Any other security software?
    nope

Well i always extracted the files in windows, it should work.

Can someone with avast 4.1 home try and extract any bios from abit and see if it works?